제출 #391499

#제출 시각아이디문제언어결과실행 시간메모리
391499ljuba기지국 (IOI20_stations)C++17
0 / 100
1208 ms784 KiB
#include "stations.h" #include <vector> #include <bits/stdc++.h> using namespace std; const int mxN = 1100; vector<int> adj[mxN]; std::vector<int> labels; int timer = 0; void dfs(int s, int p, int pa) { if(pa^1) labels[s] = timer++; for(auto e : adj[s]) { if(e == p) continue; dfs(e, s, pa^1); } if(pa) labels[s] = timer++; } std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) { for(int i = 0; i < n; ++i) { adj[i].clear(); } for(int i = 0; i < n-1; ++i) { adj[u[i]].push_back(v[i]); adj[v[i]].push_back(u[i]); } labels.resize(n); dfs(0, -1, 0); return labels; } int find_next_station(int s, int t, std::vector<int> c) { sort(c.begin(), c.end()); if(s > c[0]) { //on je out ostali su in for(auto e : c) { if(e <= t) return e; } return c[0]; } else { //on je in ostali su out for(auto e : c) { if(e >= t) return e; } return c.back(); } }
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